Thyroid

/ˈθaɪrɔɪd/

Meaning & Definition

noun
A gland in the neck that produces hormones regulating metabolism, body heat, and bone growth.
The thyroid gland releases hormones that influence the body's metabolic rate.
A condition related to dysfunction of the thyroid gland, such as hypothyroidism or hyperthyroidism.
She was diagnosed with hypothyroidism, indicating an underactive thyroid.
The shape or structure resembling a thyroid gland, particularly in zoology.
In some species, the thyroid tissue is located in unusual regions of the body.

Etymology

From Greek 'thyreos' meaning 'shield' + 'eidos' meaning 'form, shape'.

Common Phrases and Expressions

thyroid function
The physiological activities of the thyroid gland.
thyroid hormone
Hormones produced by the thyroid gland, such as thyroxine.
hypothyroidism
A condition where the thyroid gland does not produce enough thyroid hormones.

Related Words

thyroxine
A hormone produced by the thyroid gland essential for metabolism.
hyperthyroidism
A condition characterized by excessive thyroid hormone production.
goiter
An enlargement of the thyroid gland.

Slang Meanings

Thyroid issues
I've been feeling off lately; might be my thyroid issues acting up.
Thyroid meds
I'm on thyroid meds, so I have to monitor my diet closely.